Does anyone remember the giant blue crab at the Maryland Science Center? Does it still move?

Gary Litherland, left, and William Whiteside prepare to left the 5-foot automated crab model into a cave in the Maryland Academy of Sciences (Maryland Science Center Museum) exhibit. Baltimore Sun Staff photo by Carl D. Harris, 6/7/1976
Buy this crab print and other moments in Baltimore history captured by Sun photographers at The Baltimore Sun Store.